nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java

   1 /*
   2   Copyright (C) 2015-2021 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.config.ServiceConfig;
  20 import org.asamk.signal.manager.config.ServiceEnvironment;
  21 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  22 import org.asamk.signal.manager.storage.SignalAccount;
  23 import org.asamk.signal.manager.util.KeyUtils;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26 import org.whispersystems.libsignal.IdentityKeyPair;
  27 import org.whispersystems.libsignal.util.KeyHelper;
  28 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  29 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  30 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  31 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  32 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  33 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  34 import org.whispersystems.signalservice.api.util.SleepTimer;
  35 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
  36 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  37
  38 import java.io.File;
  39 import java.io.IOException;
  40 import java.net.URI;
  41 import java.util.concurrent.TimeoutException;
  42
  43 public class ProvisioningManager {
  44
  45     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManager.class);
  46
  47     private final PathConfig pathConfig;
  48     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  49     private final String userAgent;
  50
  51     private final SignalServiceAccountManager accountManager;
  52     private final IdentityKeyPair tempIdentityKey;
  53     private final int registrationId;
  54     private final String password;
  55
  56     ProvisioningManager(PathConfig pathConfig, ServiceEnvironmentConfig serviceEnvironmentConfig, String userAgent) {
  57         this.pathConfig = pathConfig;
  58         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  59         this.userAgent = userAgent;
  60
  61         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  62         registrationId = KeyHelper.generateRegistrationId(false);
  63         password = KeyUtils.createPassword();
  64         final SleepTimer timer = new UptimeSleepTimer();
  65         GroupsV2Operations groupsV2Operations;
  66         try {
  67             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  68         } catch (Throwable ignored) {
  69             groupsV2Operations = null;
  70         }
  71         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  72                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  73                 userAgent,
  74                 groupsV2Operations,
  75                 ServiceConfig.AUTOMATIC_NETWORK_RETRY,
  76                 timer);
  77     }
  78
  79     public static ProvisioningManager init(
  80             File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
  81     ) {
  82         var pathConfig = PathConfig.createDefault(settingsPath);
  83
  84         final var serviceConfiguration = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
  85
  86         return new ProvisioningManager(pathConfig, serviceConfiguration, userAgent);
  87     }
  88
  89     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  90         var deviceUuid = accountManager.getNewDeviceUuid();
  91
  92         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  93     }
  94
  95     public Manager finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExists {
  96         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  97         var number = ret.getNumber();
  98
  99         logger.info("Received link information from {}, linking in progress ...", number);
 100
 101         if (SignalAccount.userExists(pathConfig.getDataPath(), number) && !canRelinkExistingAccount(number)) {
 102             throw new UserAlreadyExists(number, SignalAccount.getFileName(pathConfig.getDataPath(), number));
 103         }
 104
 105         var encryptedDeviceName = deviceName == null
 106                 ? null
 107                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 108
 109         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 110                 false,
 111                 true,
 112                 registrationId,
 113                 encryptedDeviceName);
 114
 115         // Create new account with the synced identity
 116         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 117
 118         SignalAccount account = null;
 119         try {
 120             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.getDataPath(),
 121                     number,
 122                     ret.getUuid(),
 123                     password,
 124                     encryptedDeviceName,
 125                     deviceId,
 126                     ret.getIdentity(),
 127                     registrationId,
 128                     profileKey);
 129
 130             Manager m = null;
 131             try {
 132                 m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 133
 134                 try {
 135                     m.refreshPreKeys();
 136                 } catch (Exception e) {
 137                     logger.error("Failed to check new account state.");
 138                     throw e;
 139                 }
 140
 141                 try {
 142                     m.requestAllSyncData();
 143                 } catch (Exception e) {
 144                     logger.error("Failed to request sync messages from linked device.");
 145                     throw e;
 146                 }
 147
 148                 final var result = m;
 149                 account = null;
 150                 m = null;
 151
 152                 return result;
 153             } finally {
 154                 if (m != null) {
 155                     m.close();
 156                 }
 157             }
 158         } finally {
 159             if (account != null) {
 160                 account.close();
 161             }
 162         }
 163     }
 164
 165     private boolean canRelinkExistingAccount(final String number) throws UserAlreadyExists, IOException {
 166         final SignalAccount signalAccount;
 167         try {
 168             signalAccount = SignalAccount.load(pathConfig.getDataPath(), number, false);
 169         } catch (IOException e) {
 170             logger.debug("Account in use or failed to load.", e);
 171             return false;
 172         }
 173
 174         try (signalAccount) {
 175             if (signalAccount.isMasterDevice()) {
 176                 logger.debug("Account is a master device.");
 177                 return false;
 178             }
 179
 180             final var m = new Manager(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
 181             try (m) {
 182                 m.checkAccountState();
 183             } catch (AuthorizationFailedException ignored) {
 184                 return true;
 185             }
 186
 187             logger.debug("Account is still successfully linked.");
 188             return false;
 189         }
 190     }
 191 }